Dammit it looks like the ARM i.MX53 Cortex *does* have microcode, MPU in the display subsystem with DMA access http://goo.gl/4aZg4l
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Replying to @AndreaBarisani
@AndreaBarisani specifically tested mispurposing display *read* DMA to read (really write through display) into TrustZone areas?1 reply 0 retweets 1 like
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